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Related Experiment Video

Updated: Jan 21, 2026

Quantitative Analysis of Climbing Defects in a Drosophila Model of Neurodegenerative Disorders

Quantitative Analysis of Climbing Defects in a Drosophila Model of Neurodegenerative Disorders

Published on: June 13, 2015

Microglia in Neurodegenerative Disorders.

Darío Tejera^1,2, Michael T Heneka^3,4

¹Department of Neurodegenerative Diseases and Gerontopsychiatry, University of Bonn, Bonn, Germany.

Methods in Molecular Biology (Clifton, N.J.)

|August 9, 2019

Summary

Microglia, the brain's immune cells, normally maintain tissue health. In neurodegenerative diseases, they become chronically activated, contributing to neuron damage and death.

Keywords:

ALS Aggregation Alzheimer FTD Homeostasis Microglia Neurodegeneration Parkinson

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Microglia as a Surrogate Biosensor to Determine Nanoparticle Neurotoxicity

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Published on: October 25, 2016

Area of Science:

Neuroscience
Immunology
Cell Biology

Background:

Microglia are the primary immune cells in the central nervous system.
Under normal conditions, microglia perform essential housekeeping functions to maintain brain homeostasis.
Neurodegenerative disorders are often characterized by an aberrant immune response within the brain.

Purpose of the Study:

To review the role and implications of microglia activation in various neurodegenerative diseases.
To highlight the shift of microglia from a homeostatic to a detrimental phenotype.
To underscore the significance of microglia activation in neuronal dysfunction and cell death.

Main Methods:

Literature review of studies on microglia activation in neurodegeneration.
Analysis of the functional changes in microglia during disease states.
Synthesis of current understanding of microglia's contribution to neuronal pathology.

Main Results:

Microglia activation is a common hallmark across different neurodegenerative conditions.
Chronic microglia activation contributes to neuronal dysfunction and progressive cell death.
The phenotype of microglia shifts significantly from physiological roles to disease-associated functions.

Conclusions:

Microglia activation plays a critical role in the pathogenesis of neurodegenerative disorders.
Understanding microglia's dual role is crucial for developing therapeutic strategies.
Targeting microglia activation pathways may offer potential treatments for neurodegeneration.